Control Circuit (Noun)
Meaning
A feedback circuit that subtracts from the input.
Classification
Nouns denoting man-made objects.
Examples
- A thermostat is an example of a control circuit that regulates the temperature in a room by subtracting from the input signal.
- In the feedback loop, the control circuit is responsible for reducing the difference between the input and the output signals.
- A typical op-amp inverting amplifier can be viewed as a control circuit that subtracts from the input voltage to produce a negative output voltage.
- In an inverting feedback loop, the control circuit serves as the summing junction that subtracts the output from the input.
- A classic example of a control circuit is a servo loop that adjusts its output by subtracting from the input error signal to drive a mechanical device.